Base | Representation |
---|---|
bin | 10011000011101010… |
… | …00000011100110111 |
3 | 222102000211211100221 |
4 | 21201311000130313 |
5 | 131423143020043 |
6 | 4411122315211 |
7 | 511352635543 |
oct | 114165003467 |
9 | 28360754327 |
10 | 10231220023 |
11 | 4380291042 |
12 | 1b964b8b07 |
13 | c70885b5b |
14 | 6d0b50a23 |
15 | 3ed3328ed |
hex | 261d40737 |
10231220023 has 4 divisors (see below), whose sum is σ = 10293988408. Its totient is φ = 10168451640.
The previous prime is 10231220017. The next prime is 10231220029. The reversal of 10231220023 is 32002213201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32002213201 = 7 ⋅4571744743.
It is an interprime number because it is at equal distance from previous prime (10231220017) and next prime (10231220029).
It is a cyclic number.
It is not a de Polignac number, because 10231220023 - 29 = 10231219511 is a prime.
It is a super-2 number, since 2×102312200232 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10231219979 and 10231220006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10231220029) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31383948 + ... + 31384273.
It is an arithmetic number, because the mean of its divisors is an integer number (2573497102).
Almost surely, 210231220023 is an apocalyptic number.
10231220023 is a deficient number, since it is larger than the sum of its proper divisors (62768385).
10231220023 is an equidigital number, since it uses as much as digits as its factorization.
10231220023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62768384.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 10231220023 its reverse (32002213201), we get a palindrome (42233433224).
The spelling of 10231220023 in words is "ten billion, two hundred thirty-one million, two hundred twenty thousand, twenty-three".
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